Multi-Tools & EDC
Tooler Universal Saw Blade Handle Kits: Three Budget Handles With Big Potential
Three under-$20 handle kits that turn off-the-shelf saw blades, files, and hacksaw blades into compact hand tools, plus why the concept deserves far more attention.
Introduction
Some of the most interesting multi-functional tools come from brands that are not trying to be premium, and Tooler is a good example. Its universal saw blade handle kits take ordinary power-tool accessories, saw blades, files, and hacksaw blades, and turn them into compact hand tools using one simple spring-loaded idea. Every kit covered here costs under $20, which makes them easy to experiment with and even easier to modify.
The build quality is not the highest, but the concept is genuinely smart. Once you understand how the mechanism works, it is hard not to start imagining versions that integrate into multi-tools, folding knives, or custom bushcraft kits.
How the Universal Handle Mechanism Works
The core of every Tooler kit is the same: an arm attached to a strong spring pushes downward on whatever implement is inserted, clamping it in place so it cannot slide out. With a saw blade, the spring presses on the head of the blade and holds it firmly during use.

In practice, the grip is surprisingly secure. Testing with aggressive saw designs showed that the blade did not release under real cutting pressure, and that held true regardless of blade shape. The handle itself is just screwed-together plastic and a metal gripping component, which is exactly why it is so cheap, and exactly why there is so much room to build something better around the same idea.
The Small Version: T-Shank and Rounded Objects
The small variation works with T-shank blades but also grips a wide range of rounded objects of similar size, letting you use almost any small cylindrical item as a standalone tool with a comfortable handle. It is a surprisingly flexible concept for such a simple part.

Because the whole mechanism is a single small metal insert, the imagination naturally runs toward integrating it elsewhere: inside the end of a multi-tool, adapted to a 4-mm bit driver, or paired with scalpel blades and other slim implements. The existing kits work fine as sold, but the mechanism has obvious untapped potential that other companies could easily build on.
The Large Version: Reciprocating and T-Shank Blades
The larger kit is designed to accept both standard reciprocating saw blades and T-shank blades, with a differently shaped grabber that locks larger blades in at the center. It turns an off-the-shelf power tool blade into a mini hand saw, which is a compelling alternative to carrying an expensive dedicated bushcraft saw.

This is the version to skip if you are only buying one, as the file-oriented kit below offers more everyday utility. But for anyone who wants a hand-saw capability built around interchangeable blades, the large version’s combination of options and its secure grip make it a decent pick.
The File and Hacksaw Version: The Most Useful of the Bunch
The third kit is arguably the most useful of the lineup. Its head has the same spring grabber but a much more open jaw, designed specifically for files, and the grip is impressively solid. Comparable handles often require hammering a file into place and still hold less securely.
The included diamond files seem reasonably good, and since the jaw grips other companies’ files as well, upgrading the blades is straightforward. Little teeth on the jaw, softened so they can bite into steel, do a good job of locking implements in place. The kit also accepts small hacksaw blades, which can extend out as far as needed and stay put, plus reciprocating blades.

With minor modification, the head is already close to fitting a 1/4-inch bit driver, and a small geometry change would let it accept one without rotating in the slot. The main limitation to note is that this version does not work with T-shank blades. Even so, it is the kit most worth recommending as a starting point.
Overall Buying Advice
All three kits cost under $20 each, so choosing is less about budget and more about intended use. If you want a compact universal handle for T-shank blades and small rounded implements, start with the small version. If your main goal is a bushcraft-style hand saw built from interchangeable power tool blades, the large reciprocating version makes sense. For the best all-around kit covering files, hacksaw blades, and reciprocating blades, the file version is the strongest pick, with the caveat that it does not accept T-shank blades.
None of these are premium tools, and the included blades and files are best treated as starters to be replaced with better ones. But as low-cost platforms for experimenting, customizing, and building out a personalized kit, they are hard to beat.
Conclusion
Tooler’s universal handle kits land in an unusual spot: low on quality, high on concept. The spring-loaded gripping mechanism works reliably across saw blades, files, hacksaw blades, and even rounded objects, and the design leaves obvious room for improvement, from integrated bit drivers to embedded multi-tool components. For anyone who enjoys versatile, inexpensive tools with real modification potential, these kits are a smart and accessible place to start.


